Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!watmath!clyde!caip!andromeda!argus!ken From: ken@argus.UUCP (Kenneth Ng) Newsgroups: net.followup Subject: Re: FYI: VM systems on the net Message-ID: <394@argus.UUCP> Date: Sat, 26-Jul-86 00:25:39 EDT Article-I.D.: argus.394 Posted: Sat Jul 26 00:25:39 1986 Date-Received: Sat, 26-Jul-86 08:47:45 EDT References: <455@valid.UUCP> <653@glasgow.glasgow.UUCP> <494@sunybcs.UUCP> Organization: NJ Inst of Tech., Newark NJ Lines: 34 In article <494@sunybcs.UUCP>, colonel@sunybcs.UUCP (Col. G. L. Sicherman) writes: > >Since VM handles all the I/O, it is an excellent system for people who > >who are debugging Physical IOCS. Vm will not let the user move the > >disk heads outside their alloted area even with PIOCS. Thus one user > >cannot corrupt anothers files by accident or even on purpose. > > We recently got a 3081 running VM. When the 3081 itself crashed, > EVERYBODY's files were trashed! > > I shall never understand how you can make a computer more reliable > by simulating it on another computer. > -- > Col. G. L. Sicherman A system crash could wipe out any file system, Un*x, VM, DOS, etc. The purpose of VM is to mitigate the problems that a faulty user program could cause. A program running under a prived id can blow away any operating system I know of. -- Kenneth Ng: Post office: NJIT - CCCC, Newark New Jersey 07102 uucp(for a while) ihnp4!allegra!bellcore!argus!ken soon uucp:ken@argus.cccc.njit.edu bitnet(prefered) ken@njitcccc.bitnet or ken@orion.bitnet soon bitnet: ken@orion.cccc.njit.edu (We are VERY slowly moving to RFC 920, kicking and screaming) Spock: "Captain, you are an excellent Starship Captain, but as a taxi driver, you need much to be desired." Savaak: "He's so....human" Spock: "No one is perfect"